Copeland 918 0002 01 Crankcase Heater 30067439 890 Simplified Wiring: Integral conduit connection Simplified Wiring: Integral conduit connection and 18 inch primary leads streamline electrical integration in the field the P10BC 7 provides the heavy duty performance required for pneumatic control systems where durability and repeatable setpoints are non negotiable preventing flooded starts and the catastrophic bearing washout that follows Integrating this immersion crankcase heater into your preventative maintenance routine is the most reliable way to prevent liquid slugging and extend the operational life of heavy duty HVACR equipment